Sarah is cutting ribbons for a pep rally. The length of each ribbon needs to be 3.42 inches.
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In pythagoras's theorem, generally a is the shortest side, b is the second shortest and c is the hypotenuse: 
. However, there is a problem. The questions aren't actually possible without using sine, cosine, and tangent (which are mathematical ratios if you didn't know). I can help you with this but it will take time explaining.